http://imagej.273.s1.nabble.com/Using-circular-ROIs-with-XOR-tp5021929p5021931.html
Dr.Crammer. wow and thanks. Samuel Bangalore India
> I'm not sure what youare trying to do, but maybe something like this in
> the macro language?
>
>
> open("
http://microscopynotes.com/cd11c_spleen.jpg");
> makeRectangle(0, 0, 282, 108);
> run("Crop");
> run("Split Channels");
> selectWindow("cd11c_spleen.jpg (red)");
> makeOval(76, 9, 88, 88);
> run("Copy");
> selectWindow("cd11c_spleen.jpg (green)");
> setPasteMode("XOR");
> run("Paste");
> run("Select None");
> run("Merge Channels...", "c1=[cd11c_spleen.jpg (red)]
> c2=[cd11c_spleen.jpg (green)] c3=[cd11c_spleen.jpg (blue)]");
>
>
>
> Michael Cammer, Sr Research Scientist, DART Microscopy Laboratory
>
> NYU Langone Health, 540 First Avenue, SK2 Microscopy Suite, New York, NY
> 10016
>
>
[hidden email]<mailto:
[hidden email]>
>
http://nyulmc.org/micros http://microscopynotes.com/>
> Voice direct only, no text or messages: 1-914-309-3270 and 1-646-501-0567
>
>
>
> ________________________________
> From: BW Basheer <
[hidden email]>
> Sent: Monday, March 25, 2019 7:13:31 PM
> To:
[hidden email]
> Subject: Using circular ROIs with XOR
>
> Hello,
>
> I'm new to ImageJ. Am trying to use xor on the pixel values within the
> bounds of a circular ROI. The Javadoc documentation says XOR operates on
> all pixels in the image or an ROI. In my tests, the XOR method is
> operating without regard for the boundaries of the circular ROI.
>
> By way of example, I'm trying it this way:
>
> image.setRoi(new OvalRoi(0,0,2950,2950));
> image.getChannelProcessor().xor(0xffff);
>
> Thanks for any suggestions. It would be greatly appreciated.
>
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